[Marketing] For Review: Talks & Sponsors blog for Cassandra World Party

Sorry, another one for 72-hr community review. This is a blog for the Cassandra World Party event happening in July. Please make any suggestions or provide amends in the comments. Thanks! https://docs.google.com/document/d/1K2wlJHMOqH2DemFdAjXwYZTWt-mdXJyme6ewqGcABp0/edit -- Chris Thornett senio

[Marketing] For Review: Apache Cassandra 4.1: Denylisting Partitions

Hello everyone, The next Cassandra blog is on Denylisting partitions written by *Jordan West*. Please take a look and make any suggestions and amends in the comments. This is the 72-hr community lazy consensus review, which will end on Monday with an expectation of publishing the blog on 30 June.